package main

import (
	"fmt"
	"math"
)

func main() {
	var a, b int = 10, 20
	var f float64 = math.Sqrt(float64(a*a + b*b))
	var u uint = uint(f)                            // type conversion from float64 to uint
	fmt.Println("a:", a, "b:", b, "f:", f, "u:", u) // output: a: 10 b: 20 f: 28.284271247461903 u: 28
}
